/*
XPTracker - Alternative Agile Tracking Tool
Copyright (C) 2006-2009  Stephen Starkey

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
*/
package org.xptracker.web.tags;

import org.xptracker.domain.Role;

import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.jstl.core.LoopTagSupport;
import java.util.Arrays;
import java.util.Iterator;

public class RoleListTag extends LoopTagSupport {
  private Iterator<Role> rolesI;
  private String var;

  public String getVar() {
    return var;
  }

  public void setVar(String var) {
    this.var = var;
  }

  protected void prepare() throws JspTagException {
    rolesI = Arrays.asList(Role.values()).iterator();
  }

  protected boolean hasNext() throws JspTagException {
    return rolesI.hasNext();
  }

  protected Object next() throws JspTagException {
    Role role = rolesI.next();
    pageContext.setAttribute(var, role);
    return role;
  }
}
